intercommunion vs manduction

intercommunion and manduction both are nouns.

Word	Noun	Adjective	Verb	Adverb
intercommunion	Yes	No	No	No
manduction	Yes	No	No	No

As nouns, manduction is a hypernym of intercommunion; that is, manduction is a word with a broader meaning than intercommunion:

intercommunion: participation in Holy Communion by members of more than one church (eg Catholic and Orthodox)
manduction: the act of participating in the celebration of the Eucharist

Other hypernyms of intercommunion include Communion, Holy Communion, sacramental manduction.

intercommunion (noun)	manduction (noun)
participation in Holy Communion by members of more than one church (eg Catholic and Orthodox)	biting and grinding food in your mouth so it becomes soft enough to swallow
	the act of participating in the celebration of the Eucharist